Definition of meningitis and encephalitis Meningitis and EncephalitisType Clinical Features Meningitis Increased number of white blood cells (WBC) in CSF Inflammatory condition involving leptomeninges and tissue surrounding brain and spinal cord Typically, with normal cerebral function Settings Community acquired Healthcare associated (occurs while hospitalized) Encephalitis Encephalopathy Altered consciousness persisting for longer than 24 h Change in personality or behavior Irritability Lethargy PLUS CNS inflammation (at least 2 of following) CSF pleocytosis (> 4 white cells per μL) EEG findings suggestive of encephalitis Fever Neuroimaging findings suggestive of encephalitis Seizures or focal neurological findings attributable to the brain parenchyma (Next Lesson) Etiologies of bacterial meningitis Back to Meningitis and Encephalitis No Comments Comments are closed.
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